Thursday, November 18, 2010

November 18, 2010: Return of the Southern Resident Orcas: Holding Steady in a Tough Environment

'Tis the season for sighting southern resident orcas in the Puget Sound. From November through February orcas leave their summer home in the San Juans to follow winter salmon runs. Listed as endangered, their numbers are barely holding steady; down from 97 a decade ago to 87 today. Persistent risk factors include declining salmon runs, noisy marine waters and persistent toxins.

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Thursday, November 4, 2010

November 4, 2010: Alternative Fuels: The Pros and Cons of Washington’s Choice: Natural Gas

Alternative fuels are often cited as a silver bullet in the effort to reduce greenhouse gas emissions - biogas, algae, natural gas, electric. But are they all good alternatives? In this week’s Green Acre Radio, Martha Baskin looks at compressed natural gas. Taxis, mass transit and garbage trucks have embraced it as a clean energy solution. But it comes with a cost.

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